1. Environment, Subsistence, and Society: The Changing Archaeological Perspective
2. North American archaeology in historical perspective;Schwartz;Actes du XIe Congres International d'Histoire deSciences,1968
3. The retrieval and dissemination of information in the social sciences through citation indexing;Garfield;AmericanBehavioral Scientist,1964
4. Citation indexes;Weinstock;Encyclopedia of library and information science,1971